The author raises attention to the information science which is a rather new subject area dealing with information management, information storage and retrieval technique and information dissemination both through the manual and/or automation methods. It gives the details of information science courses initiated in the curricula of liberal arts degree and of certificate of information science of Sukhothai Thammathirat Open University in 1987. Objectives, structure. Qualification of applicants, and duration of the study of each course are respectively provided.